18K Straight Square Shank Hallmark Stamp 1/25" (1.00mm) Impression Height Quatro Dedicated holes for 3/32" and

Dedicated holes for 3/32" and 1/8" shank burs

Pre-drilled for Durston Mini-Mills

Two molded rubber 3 lb barrels with lids

81 troy oz

Alloy Sterling Silver Profile Round Temper Half-Hard Gauge Range 6–30 gauge Sold By Troy ounce Packaging Coil (6–22 ga)

18K Straight Square Shank Hallmark Stamp 1/25" (1.00mm) Impression Height Quatro Dedicated holes for 3/32" andThis straight square shank 18K hallmark stamp is precision cut from heat treated tool steel, designed for marking gold alloys containing no less than 75% pure gold by weight. The straight shank configuration is ideal for stamping flat surfaces, leaving a clean, sunken impression with each strike. The 1 25" (1. 00mm) measurement refers to the height of the impression, not the width. If you need to mark the inside of rings or curved interior surfaces, a